Ring sizer measuring tool kit: 1 pc 27-piece stainless steel ring sizing tool; 1 pc plastic ring sizing tool and 1 pc plastic ring mandrel. Effective measurement of finger size: The ring sizer tool makes it easy to measure your own, friends' and family's finger size. The ring sizers are compact and easy to carry. Fine workmanship: Our ring sizer measuring tool kits are durable and suitable for all types of rings, with accurate and clear markings, allowing you to measure the correct finger size. Measuring range: The stainless steel ring sizing tool includes 27 sizes, US ring sizes 0-13 including half sizes. The plastic sizers cover ring sizes 1 through 17, and the plastic ring mandrel features US sizes from 0 to 15. Accurately size jewelry, eliminate guesswork, and find the perfect ring size. Color: As shown Material: Metal Package Contents: 1 set x ring sizer